1. delta: A syntax-highlighting pager for git, diff, and grep output
2. btop: A monitor of resources
3. zoxide: A smarter cd command

Tip of the week: Remove duplicate lines without sorting

If you have data with duplicate lines but don’t want to change the order, try awk '!a[$0]++'! For example:

% cat << EOF > file1
Apple
Orange
Orange
Banana
Apple
Pineapple
EOF

% awk '!a[$0]++' file1
Apple
Orange
Banana
Pineapple

How does this work? You can read a wonderful walkthrough at opensource.com.